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 #include<bits/stdc++.h>
 #define ll          long long
 #define pb          push_back
 #define    endl        '\n'
 #define pii         pair<ll int,ll int>
 #define vi          vector<ll int>
 #define all(a)      (a).begin(),(a).end()
 #define F           first
 #define S           second
 #define sz(x)       (ll int)x.size()
 #define hell        1000000007
 #define rep(i,a,b) for(ll int i=a;i<b;i++)
 #define lbnd        lower_bound
 #define ubnd        upper_bound
 #define bs          binary_search
 #define mp          make_pair
 using namespace std;

 #define N  2000005
 ll tree[5*N];
 bool lazy[5*N];
 bool a[N];
 void build(ll node,ll start,ll end)
 {
    if(start==end)
    {
        tree[node]=a[start];
        return;
    }
    ll mid = (start+end)/2;
    build(2*node,start,mid);
    build(2*node+1,mid+1,end);
    tree[node]=tree[2*node]+tree[2*node+1];
    return;
 }
 void update(ll node,ll start,ll end,ll l,ll r)
 {
    if(start>end || l>r || l>end || r<start)
        return;
    if(lazy[node])
    {
        tree[node]=(end-start+1)-tree[node];
        if(start!=end)
        {
            lazy[2*node]=1;
            lazy[2*node+1]=1;
        }
        lazy[node]=0;
    }
    if(l<=start && r>=end)
    {
        tree[node]=(end-start+1)-tree[node];
        if(start!=end)
        {
            lazy[2*node]=1;
            lazy[2*node+1]=1;
        }
        lazy[node]=0;
        return;
    }
    ll mid=(start+end)/2;
    update(2*node,start,mid,l,r);
    update(2*node+1,mid+1,end,l,r);
    tree[node]=tree[2*node]+tree[2*node+1];
    return;
 }
 ll query(ll node,ll start,ll end,ll l,ll r)
 {
    if(start>end || l>r || l>end || r<start)
        return 0;
    if(lazy[node])
    {
        tree[node]=(end-start+1)-tree[node];
        if(start!=end)
        {
            lazy[2*node]=1;
            lazy[2*node+1]=1;
        }
        lazy[node]=0;
    }
    if(l<=start && r>=end)
    {
        return tree[node];
    }
    ll mid=(start+end)/2;
    ll p=query(2*node,start,mid,l,r);
    p+=query(2*node+1,mid+1,end,l,r);
    return p;
 }
 int main()
 {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int TESTS=1;
 // cin>>TESTS;
    while(TESTS--)
    {
        ll n,m;
        cin>>n>>m;
        string s;
        cin>>s;
        rep(i,1,n)
        {
            if(s[i-1]=='>')
                a[i]=0;
            else
                a[i]=1;
        }
        ll t,x,y;
        n--;
        build(1,1,n);
        // rep(i,1,n+1)
        // cout<<a[i]<<" ";
        // cout<<endl;
        // rep(i,1,4*n)
        // cout<<tree[i]<<" ";
        // cout<<endl;
        rep(i,0,m)
        {
            cin>>t>>x>>y;
            if(t==1)
            {
                // if(x==y)
                //  cout<<"fuck";
                update(1,1,n,x,y-1);
            }
            else
            {
                if(y>x)
                    cout<<query(1,1,n,x,y-1)<<endl;
                else
                    cout<<((x-y)-query(1,1,n,y,x-1))<<endl;
                // if(x==y)
                //  cout<<"fuck";
            }
        }
    }
    return 0;
 }