`C`

`" "`

#include <stdio.h>
#include <string.h>

int main()
{
    char s[100];

    printf("Nhap ho ten: ");
    fgets(s, sizeof(s), stdin);

    int n = strlen(s);
    if (s[n - 1] == '\n') s[n - 1] = '\0';

    int vt = 0;

    for (int i = strlen(s) - 1; i >= 0; i--)
        if (s[i] == ' ') {
            vt = i + 1;
            break;
        }

    printf("Ten: %s", s + vt);

    return 0;
}