UVA 12403 - Save Setu : Solution

#include <stdio.h>
#include <string.h>
int main ()
{
    int t,s=0,d=0;
    char a [100];
    scanf ("%d",&t);
    while ( t--)
    {
        scanf ("%s", a);
        if (strcmp (a, "donate")==0)
        {
            scanf ("%d", &d);
            s += d;
        }
        else
            printf ("%d\n", s);
    }
    return 0;
}