int I1;
int M1;
int M2;
int M2p;
int M4;
int M5;
int M7;
int O2;
main(){
M2p=M2;
while(1){
I1=geti(1);
M1=pons(0,I1,0,120);
M2=blnk(1,M1,0,40);
M2=!M2&M1;
if((M2p==1&&M2==0)){
M4=1;
} else {
M4=0;
};
if((M2p==0&&M2==1)){
M5=1;
} else {
M5=0;
};
M7=(M4|M5)&M1;
M2p=M2;
O2=pons(2,M7,0,30);
seto(2,O2);
};
};