#include <math.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>
#include <limits.h>
#include <stdbool.h>

int main()
{
    unsigned long long int i,T,b,s,c,profit;
    scanf("%llu",&T);
    for(i=1;i<=T;i++){
        scanf("%llu %llu %llu",&b,&s,&c);
        profit = s+b-c;
        printf("%llu\n",profit);
    }
    return 0;
}