#include <bits/stdc++.h>

void suburi(int x, int y, int z) {
    if(z>=x&&z>=y) printf("%d",z-2);
    else if(z>=x) printf("%d",z-1);
    else printf("%d",z);
}

int main() {
    int x,y,z;
    scanf("%d",&x);
    printf(", ");
    scanf("%d",&y);
    printf(", ");
    scanf("%d",&z);
    suburi(x,y,z);
}