1715A-Crossmarket.cpp

#include <cstdio>

int main(){

    long t; scanf("%ld", &t);
    while(t--){
        long n, m; scanf("%ld %ld", &n, &m);
        long mn = (m > n) ? m : n;
        long ans = (m + n > 2) ? (2 * (m + n - 1) - mn) : 0;
        printf("%ld\n", ans);
    }

}