#include <stdio.h>

void printstring(char arr[]);
int countlength(char arr[]);

int main() {
   char name[100];
   fgets(name,100,stdin);
   printf("length is:%d",countlength(name));
    return 0;
}

int countlength(char arr[]){
    int count=0;
    for(int i=0;arr[i]!= '\0';i++){
        count++;
    } 
    return count;
}

void printstring(char arr[]){
    for(int i=0;arr[i]!='\0';i++){
        printf("%c",arr[i]);
    }
    printf("\n");
}