#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
int main()
{
    char a[100];
    
    printf("텍스트를 입력하시오: \n");
    scanf(" %s", a);
    
    a[0] = toupper(a[0]);
    printf("결과 텍스트 출력: %s", a);
    return 0;
}

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