genius

#include <stdio.h>

int main() {
char str[100];

scanf("%s", str);

for (int i = 0; str[i] != '\0'; ++i) {
    switch (str[i]) {
        case 'A': str[i] = 'D'; break;
        case 'B': str[i] = 'E'; break;
        case 'C': str[i] = 'F'; break;
        case 'D': str[i] = 'G'; break;
        case 'E': str[i] = 'H'; break;
        case 'F': str[i] = 'I'; break;
        case 'G': str[i] = 'J'; break;
        case 'H': str[i] = 'K'; break;
        case 'I': str[i] = 'L'; break;
        case 'J': str[i] = 'M'; break;
        case 'K': str[i] = 'N'; break;
        case 'L': str[i] = 'O'; break;
        case 'M': str[i] = 'P'; break;
        case 'N': str[i] = 'Q'; break;
        case 'O': str[i] = 'R'; break;
        case 'P': str[i] = 'S'; break;
        case 'Q': str[i] = 'T'; break;
        case 'R': str[i] = 'U'; break;
        case 'S': str[i] = 'V'; break;
        case 'T': str[i] = 'W'; break;
        case 'U': str[i] = 'X'; break;
        case 'V': str[i] = 'Y'; break;
        case 'W': str[i] = 'Z'; break;
        case 'X': str[i] = 'A'; break;
        case 'Y': str[i] = 'B'; break;
        case 'Z': str[i] = 'C'; break;
    }
}

printf("%s\n", str);

return 0;

}