#include <bits/stdc++.h>
using namespace std;
long long a, b, c;
int main(){
// freopen("input.inp", "r", stdin);
scanf("%d%d%d",&a,&b,&c);
if (a % 2 == 0 || b % 2 == 0 || c % 2 == 0) printf("0");
else{
if (a > b) swap(a, b);
if (a > c) swap(a, c);
if (b > c) swap(b, c);
printf("%lld",1ll * a * b);
}
return 0;
}
./Main.cpp: In function ‘int main()’:
./Main.cpp:9:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
scanf("%d%d%d",&a,&b,&c);
^
./Main.cpp:9:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=]
./Main.cpp:9:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘long long int*’ [-Wformat=]
./Main.cpp:9:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d%d",&a,&b,&c);
^