#include <stdio.h>


void main(void) {
	int n = 0;
	scanf("%d",&n);
	while(n >= 720){
		n = n-720;
		printf("C");
	}
	while(n >= 360){
		n = n-360;
		printf("M");
	}
	while(n >= 180){
		n = n-180;
		printf("S");
	}
	while(n >= 30){
		n = n-30;
		printf("R");
	}
	while(n >= 6){
		n = n-6;
		printf("o");
	}
	while(n > 0){
		n--;
		printf(".");
	}
}