/**

LAST, First name: ALEXANDRESCU Andrei

School: National College "Andrei Saguna" Brasov

Contest #4

Problem: maxtrix

in/out file: matrix.in/matrix.out

*/

#include <iostream>

#include <stdio.h>

using namespace std;

char s[128], *p, what, cuv[128];

int boom;

int may[5][5];

int nd, bloc[100][100];

void inmulteste()

{

int care = 1, i, rez, j;

for(i = 0; i <= nd; i++)

{

for(care = 1; care <= 2; care++)

{

rez = 0;

for(j = 1; j <= 2; j++)

rez += may[care][j] * bloc[i][j];

if(rez > 27)

rez %= 27;

while(rez <= 0)

rez += 27;

if(rez == 27)

printf(" ");

else printf("%c", 'A' + rez - 1);

}

}

printf("\n");

}

void inverseaza()

{

int a, b, c, d, mic;

a = may[1][1];

b = may[1][2];

c = may[2][1];

d = may[2][2];

if(a * d - b * c == 0)

return;

else

{

mic = 1 / (a * d - b * c);

may[1][1] = d * mic;

may[1][2] = -b * mic;

may[2][1] = -c * mic;

may[2][2] = a * mic;

}

}

int main()

{

freopen ("matrix.in","r",stdin);

freopen ("matrix.out","w",stdout);

int M = 5, i, j;

while(M--)

{

nd = 0;

fgets(s, 128, stdin);

p = s; what = *p;

p += 3;

i = 0;

while(*p != ',')

{

//cuv[boom++] = *p;

if(i == 2)

i = 0, nd++;

if(*p == ' ')

bloc[nd][++i] = 27;

else bloc[nd][++i] = *p - 'A' + 1;

p++;

}

if(i == 1)

bloc[nd][++i] = 27;

p += 2;

for(i = 1; i <= 2; i++)

for(j = 1; j <= 2; j++, p += 3)

may[i][j] = *p - '0';

if(what == 'E')

{

inmulteste();

}

else

{

inverseaza();

inmulteste();

}

}

return 0;

}