//No.2414 2 KA 3 KA
#include <stdio.h>

int main(void){

    int A, B, C;
    scanf("%d %d %d", &A, &B, &C);
    
    int X = 2 * A * B + 2 * B * C + 2 * C * A;
    int Y = A * B * C;

    if(X > Y){
        printf("2\n");
    }
    else{
        printf("3\n");
    }

    return 0;
}