include<stdio.h>

int num;
int num_2;

void print_an(int index){
printf(“sin(“);
if(index != num_2){
printf(“%d”,index);
if(index%2 == 0){
printf(“+”);
}else{
printf(“-“);
}
print_an(index+1);
}else{
printf(“%d”,index);
}
printf(“)”);
}

void print_sn(int index){
if(index != num){
printf(“(“);
}
if(index == 1){
num_2 = 1;
print_an(1);
}else{
print_sn(index-1);
num_2 = index;
print_an(1);
}
printf(“+%d”,num-index+1);
if(index != num){
printf(“)”);
}
}

int main()
{
long int ret = 0,temp;

scanf("%d",&num);
temp = num;
print_sn(temp);
return 0;

}