#include<stdio.h>
int main()
{
char ch;
int Letters=0,Digits=0,Others=0;
while((ch=getchar())!='?') {
if((ch>='a'&&ch<='z')||(ch<='Z'&&ch>='A'))
{
Letters++;
}
else if(ch==' ')
{
Others++;
}
else if(ch>='0'&&ch<='9')
{
Digits++;
}
else
{
Others++;
}
}
printf("Letters=%d\nDigits=%d\nOthers=%d\n",Letters,Digits,Others);
return 0;
}
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