#include <bits/stdc++.h>

int main() {

    int teste = 1;

    while(true){
        int n; scanf("%d", &n);
        if(n == 0) break;

        printf("Teste %d\n", teste);

        int cofreJ = 0, cofreZ = 0;
        for(int i = 1; i <= n; i++){
            int J, Z;
            scanf("%d %d", &J, &Z);
            cofreJ = cofreJ + J;
            cofreZ = cofreZ + Z;
            printf("%d\n", cofreJ - cofreZ);
        }

        teste++;
        printf("\n");
    }





    return 0;
}