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

int main()
{
	char string[200 + 1] = "";
	char rovsprak[600 + 1] = "";

	printf("Type a thing!\nType here: ");
	scanf("%200[^\n]", &string);

	int i, rs_position;
	for (i = 0, rs_position = 0; i < strlen(string); ++i) {
		if (((string[i] >= 0x41 && string[i] <= 0x5A) ||
			(string[i] >= 0x61 && string[i] <= 0x7A)) &&
			string[i] != 'A' && string[i] != 'a' &&
			string[i] != 'E' && string[i] != 'e' &&
			string[i] != 'I' && string[i] != 'i' &&
			string[i] != 'O' && string[i] != 'o' &&
			string[i] != 'U' && string[i] != 'u')
		{
			rovsprak[rs_position] = string[i];
			rovsprak[rs_position + 1] = 'o';
			rovsprak[rs_position + 2] = tolower(string[i]);
			rs_position = rs_position + 3;
		}
		else {
			rovsprak[rs_position] = string[i];
			rs_position = rs_position + 1;
		}
	}
	string[rs_position + 1] = '\0';

	printf("Output: %s\n", rovsprak);

	return 0;
}