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/*
ID: mytbk921
LANG: C
TASK: preface
*/
#include <stdio.h>
#include <string.h>
struct Num
{
char str[20];
};
struct Num numbers[10000];
void init_numbers()
{
#define SETSTR(n, c) numbers[n].str[0]=c;numbers[n].str[1]=0;
int base, i, j, r;
for (i=0; i<10000; i++)
numbers[i].str[0] = 0;
SETSTR(1, 'I');
SETSTR(5, 'V');
SETSTR(10, 'X');
SETSTR(50, 'L');
SETSTR(100, 'C');
SETSTR(500, 'D');
SETSTR(1000, 'M');
for (base=1; base<1000; base*=10) {
for (i=2; i<4; i++) {
strcpy(numbers[base*i].str, numbers[base*(i-1)].str);
strcat(numbers[base*i].str, numbers[base].str);
}
strcpy(numbers[base*4].str, numbers[base].str);
strcat(numbers[base*4].str, numbers[base*5].str);
for (i=6; i<9; i++) {
strcpy(numbers[base*i].str, numbers[base*(i-1)].str);
strcat(numbers[base*i].str, numbers[base].str);
}
strcpy(numbers[base*9].str, numbers[base].str);
strcat(numbers[base*9].str, numbers[base*10].str);
}
strcpy(numbers[2000].str, "MM");
strcpy(numbers[3000].str, "MMM");
for (i=11; i<=3500; i++) {
if (numbers[i].str[0])
continue;
r = i;
for (base=1000; base>0; base/=10) {
if (r >= base) {
j = r/base;
strcat(numbers[i].str, numbers[j*base].str);
r = r%base;
}
}
}
}
int main()
{
int n, i, j;
FILE *fin, *fout;
int nchars[26];
char *romans = "IVXLCDM";
init_numbers();
fin = fopen("preface.in", "r");
fout = fopen("preface.out", "w");
fscanf(fin, "%d", &n);
fclose(fin);
memset(nchars, 0, sizeof(nchars));
for (i=1; i<=n; i++) {
for (j=0; numbers[i].str[j]; j++)
nchars[numbers[i].str[j]-'A']++;
}
for (i=0; romans[i]; i++) {
if (nchars[romans[i]-'A'])
fprintf(fout, "%c %d\n", romans[i], nchars[romans[i]-'A']);
}
fclose(fout);
return 0;
}
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