/*
#include<stdio.h>
#include<string.h>
int main()
{
int i;
char str[1000]={};
scanf("%s", str);
for(i=0;i<strlen(str);i++)
{
if(str[i]>='A' && str[i] <='Z')
{
str[i] += 32;
}
else if(str[i]>='a'&&str[i]<='z')
{
str[i] -=32;
}
}
printf("%s", str);
return 0;
}
*/
/*
// strcmp, strcpy, strstr, shrchr, strlen,<///><
#include<stdio.h>
int main() {
char input1[100] = {0};
char input2[100] = {0};
scanf("%s %s", input1, input2);
printf("%d", strcmp(input1, input2));
}
*/
/*
#include<stdio.h>
#include<string.h>
int main()
{
char input1[100]={};
char input2[10]={"love"};
scanf("%s", input1);
if(strcmp(input1, input2)==0)
{
printf("I love you.");
}
return 0;
}
*/
/*
#include<stdio.h>
#include<string.h>
int main()
{
int i, a=0;
char input1[100]={};
char input2[10]={"love"};
gets(input1);
for(i=0;i<strlen(input1);i++)
{
if(input1[i]==input2[0]&& input1[i+1]==input2[1]
&&input1[i+2]==input2[2]&&input1[i+3]==input2[3])
{
a=a+1;
}
}
printf("%d", a);
return 0;
}
*/