#include <stdio.h>
#include <string.h>
 
#define MAX_LEN 256
 
int main() {
    char str[MAX_LEN];
    char result[MAX_LEN * 2] = "";
 
    printf("Введіть речення: ");
    fgets(str, MAX_LEN, stdin);
 
    str[strcspn(str, "\n")] = 0;
 
    char *token = strtok(str, " ,.!?;:");
 
    while (token != NULL) {
        strcat(result, "?");
        strcat(result, token);
        strcat(result, " ");
 
        token = strtok(NULL, " ,.!?;:");
    }
 
    printf("Результат: %s\n", result);
 
    return 0;
}

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