/*#include <stdio.h>
int main()
{
char x,y;
scanf("%c %c",&x,&y);
printf("%c %c",y,x);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
float x;
scanf("%f",&x);
printf("%.2f",x);
return 0;
}
*/
/*
#include<stdio.h>
int main() {
int a = 125;
float b = 1.12345678901234567890;
double c = 1.12345678901234567890;
printf(">%d**\n", a);
printf(">%10d**\n", a);
printf(">%010d**\n", a);
printf(">%-10d**\n", a);
printf("%f\n", b);
printf("%lf\n", c);
printf("%.20f\n", b);
printf("%.20lf\n", c);
printf("%10.2lf", c);
}
*/
/*
#include <stdio.h>
int main()
{
int x,y,z;
scanf("%d",&x);
printf("%d %d %d",x,x,x);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int x,y;
scanf("%d:%d",&x,&y);
printf("%d:%d",x,y);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
long long int x, y;
scanf("%lld %lld", &x, &y);
printf("%lld", y+x);
}
*/
/*
#include <stdio.h>
int main()
{
long long int x,y;
scanf("%lld %lld", &x, &y);
printf("%lld", x+y );
}
*/