/*
#include <stdio.h>
#include <stdlib.h>
int main()
{
printf("Hello world!\n");
return 0;
}//
*/
/*
정수
int %d
long long int %lld
실수
float %f
double %lf
문자
char %c
*/
/*#include <stdio.h>
int main()
{
int a, b;
scanf("%d.%d", &a, &b);
printf("%d\n%d", a, b);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int a,b,c,d,e;
scanf("%1d%1d%1d%1d%1d", &a,&b,&c,&d,&e);
printf("[%d]\n", a*10000);
printf("[%d]\n", b*1000);
printf("[%d]\n", c*100);
printf("[%d]\n", d*10);
printf("[%d]\n", e);
return 0;
}
*/
/*
산술연산자
+ - * / , %
int x=10, y=3;
x/y ???> 3(몫)
double x=10;
int y = 3;
x/y = 3.33333
10/3 = 3(몫) ... 1(나머지)
10%3 = 1(나머지)
------------------------------
Overflow
int: +- 21억
int x, y;
x = 21억
y = 21억
x+y= 42억?
~2147483647 + 1 ? =
1) 2147483648
2) 0
3) -1
4) -2147483648 (V)
*/
/*#include<stdio.h>
int main()
{
long long int x, y;
scanf("%lld %lld", &x, &y);
printf("%lld", x+y);
return 0;
}*/
/*#include <stdio.h>
int main()
{
int h,m,s;
scanf("%d:%d:%d", &h, &m, &s);
printf("%d", m);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
int y,m,d;
scanf("%d.%d.%d", &y, &m, &d);
printf("%02d-%02d-%04d",d,m,y);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
unsigned int n;
scanf("%u", &n);
printf("%u", n);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
double d;
scanf("%lf", &d);
printf("%.11lf",d);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
long long int n;
scanf("%lld",&n);
printf("%lld",n);
return 0;
}*/
/*
#include <stdio.h>
int main()
{
int n;
scanf("%d",&n);
printf("%x",n);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
long long int x,y;
scanf("%lld %lld",&x,&y);
printf("%lld",x+y);
return 0;
}*/
/*
#include <stdio.h>
int main()
{
long long int x;
scanf("%d", &x);
printf("%d",-x);
return 0;
}
*/
/*
#include <stdio.h>
int main()
{
char x;
scanf("%c", &x);
printf("%c", x+1);
return 0;
}
*/