#include<stdio.h>
#include<math.h>
int main ()
{
int m,a,b,c,n;
scanf("%d",&m);
a=m/100;
b=m/10%10;
c=m%10;
n=b*100+a*10+c;
printf("%d",n);
return 0;
}
#include<stdio.h>
#include<math.h>
int main ()
{
int m,a,b,c,n;
scanf("%d",&m);
a=m/100;
b=m/10%10;
c=m%10;
n=b*100+a*10+c;
printf("%d",n);
return 0;
}