#include<iostream>#include<queue>#include<cstdio>#include<string.h>#include<cstdlib>using namespace std;enum { SIZ = 104,};const char *unit = "ixcm";char buf[SIZ];int getUnit(char c){ int ret = 1; for(int i=0; unit[i]&&unit[i]!=c; ++i, ret*=10) ; return ret;}int parse(char *s){ int ret = 0, d=1; for(;*s;++s){ if (isdigit(*s)){ d = *s - '0'; } else { d *= getUnit(*s); ret += d; d = 1; } } return ret;}void output(int val){ int u = 1000, d; for(int i=3; i>=0; --i, u/=10){ d = val / u; if (d){ if (d > 1){ printf("%d", d); } printf("%c", unit[i]); val -= d * u; } } printf("n");}void fun(){ int a, b; char *p; static const char *sps=" tn"; fgets(buf, SIZ, stdin); p = strtok(buf, sps); a = parse(p); p = strtok(NULL, sps); b = parse(p); a += b; output(a);}int main(){ int tst; scanf("%d ", &tst); while(tst-- > 0){ fun(); } return 0;}
