#include <stdio.h>

char r[1000];
int i;

void jedan()
{	int t;
	t=r[i];
	r[i]=r[i+1];
	r[i+1]=t;
}

int main()
{
	scanf("%s", r);
	for(i=0;r[i]!='\0';i++)
	{if((r[i]=='V')&& (r[i+1]=='I')&&(r[i+2]!='I'))
	jedan();
	if((r[i]=='X')&& (r[i+1]=='I')&&(r[i+2]!='I'))
	jedan();
	if((r[i]=='L')&& (r[i+1]=='X')&&(r[i+2]!='X'))
	jedan();
	}
	printf("%s", r);

	printf("\n");
	return 0;

}